The Focal Lengths of the Objective and the Eyepiece of a Microscope

question 72

Short Answer

The focal lengths of the objective and the eyepiece of a microscope are 0.50 cm and 2.0 cm,respectively,and their separation adjusted for minimum eyestrain (with the final image at the viewer's far point)is 6.0 cm.The near point of the person using the microscope is 25 cm and the far point is infinity.
(a)If the microscope is focused on a small object,what is the distance between the object and the objective lens?
(b)If the microscope is focused on a small object,what is its final magnification?

---

Definitions:

Inflation Rate

The velocity at which prices for everyday goods and services climb, leading to diminished purchasing capability.

Exchange Rate

The value of one country's currency in terms of another currency or currencies.

Spot Rate

The current market price at which a particular asset, such as foreign exchange, is bought or sold for immediate delivery.

Real Rate

The interest rate adjusted for inflation, reflecting the true cost of borrowing or real yield on an investment.